The United States’ Library of Congress provides links to primary source Symbols of the United States along with a Teacher’s Guide. Teachers of other countries can use this teacher’s guide as a model to teach symbols of your country.

(This book is available for download with iBooks on your Mac or iOS device. Multi-touch books can be read with iBooks on your Mac or iOS device. Books with interactive features may work best on an iOS device. iBooks on your Mac requires OS X 10.9 or later.)

This site is a good start for the study of the Americal Civil War for secondary and post-secondary school students. The Essential Civil War Curriculum site is “produced by today’s foremost Civil War historians. This site contains a definitive list of over 325 topics that every student of the Civil War should study”. It is a collection of resource lists, photographs, and descriptions of seminal events of the war and American history.